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<title>MBM File in Concepts</title>
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<h2>MBM File</h2>
<p>
MBM, or multi-bitmap, is a Symbian OS-specific bitmap file format. This
file contains multiple bitmaps and it can contain both bitmaps with masks and
bitmaps without masks. It optimizes the bitmap handling capability of Symbian
OS. The <a href="../reference/MMP_Editor.html">MMP Editor</a> (in <b>Sources</b> tab <b>> Resources > Bitmaps</b>) and <a href="../reference/view_sym_proj_nav.htm">Symbian Project Navigator</a> view provide support for creating and editing MBM
files. In the <a href="../reference/view_sym_proj_nav.htm">Symbian Project Navigator</a> view you can right-click on a scalable icon makefile (for example, <span class="code">Icons_scalable_dc.mk</span>) and select <b>Add MBM/MIF Entry...</b> to open the Edit MBM/MIF Contents window.</p>
<p>
The following information is required to add a bitmap without a mask:
</p>
<ul>
<li>
<p>
<b>Color format </b>: Specifies whether the bitmap is a gray
scale image or a color scale image.
</p>
</li>
<li>
<p>
<b>Color Depth</b>: Specifies the color depth, if the bitmap is
a color scale image.
</p>
</li>
<li>
<p>
<b>Bitmap</b>: This is the name of the bitmap file to add to
the MBM file.
</p>
</li>
</ul>
<p>
To add a bitmap with a mask, you will also need to specify:
</p>
<ul>
<li>
<p>
<b>Mask Depth</b>: Specifies the depth of the mask being
applied to the bitmap.
</p>
</li>
<li>
<p>
<b>Mask</b>: The name of the bitmap file that is used to mask
the original bitmap.
</p>
</li>
</ul>
<h5>Related tasks</h5>
<ul>
<li><a href="../tasks/Multi-BitmapFile.html">Creating an MBM File</a></li>
</ul>
<h5>Related references</h5>
<ul>
<li><a href="../reference/MBMEditor.html">MBM Editor</a></li>
</ul>
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